Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang mau che snippets" » "dong mau che snippets", "dang van che snippets", "dang su che snippets", "dang may che snippets", "dang mau he snippets", "dang mau chien snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dang mau che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang mau che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang mau che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang mau che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.